20302003311 has 16 divisors (see below), whose sum is σ = 27383025504. Its totient is φ = 13378719744.

The previous prime is 20302003297. The next prime is 20302003357. The reversal of 20302003311 is 11330020302.

It is not a de Polignac number, because 20302003311 - 2¹⁴ = 20301986927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302003811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20766 + ... + 202571.

It is an arithmetic number, because the mean of its divisors is an integer number (1711439094).

Almost surely, 2^20302003311 is an apocalyptic number.

20302003311 is a deficient number, since it is larger than the sum of its proper divisors (7081022193).

20302003311 is a wasteful number, since it uses less digits than its factorization.

20302003311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223690.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20302003311 its reverse (11330020302), we get a palindrome (31632023613).

The spelling of 20302003311 in words is "twenty billion, three hundred two million, three thousand, three hundred eleven".